Group of ten photos signed by noted test pilots, mostly representing the X-20 Dyna-Soar program, 8 x 10 and 10 x 8, including: Scott Crossfield, Bruce Peterson, Gary E. Krier (ins), Milt Thompson, Al Crews, James W. Wood, Hank Hartsfield, William J. Knight, Henry C. Gordon, and James H. Doolittle. In overall fine condition.
